16. Solve the two systems in a and b using matrices. А. 12x + 20y = 40 9x + 15y = 45 14x - 21y = 56 y = 4 c. Why did you get an error message? (Hint: graph the equations to see what is true about the system.) B.
16. Solve the two systems in a and b using matrices. А. 12x + 20y = 40 9x + 15y = 45 14x - 21y = 56 y = 4 c. Why did you get an error message? (Hint: graph the equations to see what is true about the system.) B.
Calculus: Early Transcendentals
8th Edition
ISBN:9781285741550
Author:James Stewart
Publisher:James Stewart
Chapter1: Functions And Models
Section: Chapter Questions
Problem 1RCC: (a) What is a function? What are its domain and range? (b) What is the graph of a function? (c) How...
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Solve the two systems in a and b using matrices.
a. 12x + 20y = 40
9x + 15y = 45
b. 14x - 21y = 56
x - 3/2y = 4
c. Why did you get an error message? (Hint: graph the equation to see what is true about the system.)
Transcribed Image Text:16. Solve the two systems in a and b using matrices.
В.
A.
14x- 21y = 56
12x + 20y = 40
9x + 15y = 45
%3D
3
y = 4
%3D
c. Why did you get an error message? (Hint: graph the equations to see what is true about the system.)
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